bid_type market freq_block round_num bid_amt bidder_num date time S B079 C 159 6663000 2300 4/30/96 16:33:48 S B452 C 159 12255000 2167 4/30/96 16:31:51 S B156 C 159 7403000 2167 4/30/96 16:31:51 S B456 C 159 2180088 2275 4/30/96 16:31:22 S B362 C 159 5733000 2358 4/30/96 16:36:24 S B190 C 159 4815016 2358 4/30/96 16:36:24 S B190 C 159 4810000 2144 4/30/96 16:38:03